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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Laboratory report detailing the distillation and specific gravity of a 50-50 Aviation Spirit and Benzole sample.

Identifier  ExFiles\Box 32\1\  Scan103
Date  21th May 1925
  
RK.

X1555
H12/EA21.5.25. Laboratory.

c to Hs.{Lord Ernest Hives - Chair}

Re Sample of 50 - 50 Aviation Spirit
and Benzole submitted this morning
by the Exptl. Dept.

Specific Gravity 0.797

Distillation :-

Initial Boiling Point -------- 34°C
Final Boiling Point --------- 156°C
Total Distillate ----------- 98 %
Residue ------------------- 1 %
Loss ---------------------- 1 %

Temperature °C % Distillate
75 6.0
85 31.5
95 63.5
105 78.5
115 88.0
125 92.5
135 95.0
145 96.3
150 97.0

[STAMP: RECEIVED with clock face]

H1. HE
  
  


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